diff --git a/Cargo.toml b/Cargo.toml
index 57f456277..834462400 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,7 +18,7 @@ edition = "2018"
 runtime = "=0.3.0-alpha.6"
 sqlx-core = { path = "sqlx-core" }
 sqlx-postgres = { path = "sqlx-postgres" }
-env_logger = "0.6.1"
+env_logger = "0.6.2"
 bytes = "0.4.12"
 
 [profile.bench]
diff --git a/rust-toolchain b/rust-toolchain
index 6626f6893..664d9426c 100644
--- a/rust-toolchain
+++ b/rust-toolchain
@@ -1 +1 @@
-nightly-2019-06-28
+nightly-2019-07-16
diff --git a/sqlx-postgres-protocol/Cargo.toml b/sqlx-postgres-protocol/Cargo.toml
index 09f2baba5..7944dcf20 100644
--- a/sqlx-postgres-protocol/Cargo.toml
+++ b/sqlx-postgres-protocol/Cargo.toml
@@ -9,11 +9,11 @@ edition = "2018"
 [dependencies]
 byteorder = "1.3.2"
 bytes = "0.4.12"
-memchr = "2.2.0"
+memchr = "2.2.1"
 md-5 = "0.8.0"
 itoa = "0.4.4"
 hex = "0.3.2"
-log = "0.4.6"
+log = "0.4.7"
 
 [dev-dependencies]
 matches = "0.1.8"
diff --git a/sqlx-postgres/Cargo.toml b/sqlx-postgres/Cargo.toml
index 7588ed8aa..ea0c298da 100644
--- a/sqlx-postgres/Cargo.toml
+++ b/sqlx-postgres/Cargo.toml
@@ -10,12 +10,12 @@ edition = "2018"
 sqlx-core = { path = "../sqlx-core" }
 sqlx-postgres-protocol = { path = "../sqlx-postgres-protocol" }
 runtime = "=0.3.0-alpha.6"
-futures-preview = "=0.3.0-alpha.16"
+futures-preview = "=0.3.0-alpha.17"
 byteorder = "1.3.2"
-log = "0.4.6"
+log = "0.4.7"
 hex = "0.3.2"
 bytes = "0.4.12"
-memchr = "2.2.0"
+memchr = "2.2.1"
 md-5 = "0.8.0"
 
 [dev-dependencies]